2 * Copyright (C) 2001, 2002 The Mir-coders group
4 * This file is part of Mir.
6 * Mir is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * Mir is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with Mir; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 * In addition, as a special exception, The Mir-coders gives permission to link
21 * the code of this program with the com.oreilly.servlet library, any library
22 * licensed under the Apache Software License, The Sun (tm) Java Advanced
23 * Imaging library (JAI), The Sun JIMI library (or with modified versions of
24 * the above that use the same license as the above), and distribute linked
25 * combinations including the two. You must obey the GNU General Public
26 * License in all respects for all of the code used other than the above
27 * mentioned libraries. If you modify this file, you may extend this exception
28 * to your version of the file, but you are not obligated to do so. If you do
29 * not wish to do so, delete this exception statement from your version.
32 package mircoders.producer;
37 import mir.producer.*;
39 import mir.entity.adapter.*;
40 import mircoders.entity.*;
41 import mircoders.storage.*;
43 //because images are returned as a template model!(maybe not needed after all!)
44 //import freemarker.template.*;
47 public class PDFPreFormattingProducerNode implements ProducerNode {
48 private String contentKey;
49 private int numLinesBetweenImages;
50 private float contentAreaWidthCM;
51 private float characterWidthCM;
52 private float pixelWidthCM;
53 private float lineHeightCM;
55 public PDFPreFormattingProducerNode(String aContentKey,String someNumLinesBetweenImages,String aContentAreaWidthCM,String aCharacterWidthCM,String aPixelWidthCM,String aLineHeightCM) {
56 contentKey = aContentKey;
57 numLinesBetweenImages=(new Integer(someNumLinesBetweenImages)).intValue();
58 contentAreaWidthCM=(new Float(aContentAreaWidthCM)).floatValue();
59 characterWidthCM=(new Float(aCharacterWidthCM)).floatValue();
60 pixelWidthCM=(new Float(aPixelWidthCM)).floatValue();
61 lineHeightCM=(new Float(aLineHeightCM)).floatValue();
63 // float characterWidthCM = 0.17F;
64 //float contentAreaWidthCM = 16;
65 //float pixelWidthCM = .03F;
66 //float lineHeightCM = .5F;
69 public void produce(Map aValueMap, String aVerb, PrintWriter aLogger) throws ProducerFailure {
74 data = ParameterExpander.findValueForKey( aValueMap, contentKey );
76 if (! (data instanceof EntityAdapter)) {
77 throw new ProducerFailure("ContentMarkingProducerNode: value of '"+contentKey+"' is not an EntityAdapter, but an " + data.getClass().getName(), null);
80 entity = ((EntityAdapter) data).getEntity();
81 if (! (entity instanceof EntityContent)) {
82 throw new ProducerFailure("ContentMarkingProducerNode: value of '"+contentKey+"' is not a content EntityAdapter, but a " + entity.getClass().getName() + " adapter", null);
85 int currentPosition = 0;
87 //int numLinesBetweenImages=3;
92 int numCharsInAnImagelessRow = (new Float(numLinesBetweenImages * (contentAreaWidthCM/characterWidthCM))).intValue();
94 boolean outOfText = false;
96 ArrayList brokenUpContent = new ArrayList();
99 EntityList images=DatabaseContentToMedia.getInstance().getImages((EntityContent)entity);
101 HashMap row = new HashMap();
102 row.put("text",((EntityContent) entity).getValue("content_data"));
103 row.put("hasImage","0");
104 brokenUpContent.add(row);
107 //need to add checks for out of content!
108 HashMap row0 = new HashMap();
109 if (numCharsInAnImagelessRow>(((EntityContent) entity).getValue("content_data")).length()){
110 row0.put("text",((EntityContent) entity).getValue("content_data"));
114 row0.put("text",((EntityContent) entity).getValue("content_data").substring(0,numCharsInAnImagelessRow));
116 row0.put("hasImage","0");
117 brokenUpContent.add(row0);
118 currentPosition=numCharsInAnImagelessRow;
119 aLogger.println("CP1 is "+ currentPosition);
120 while(images.hasNext()){
121 HashMap row1 = new HashMap();
122 HashMap row2 = new HashMap();
123 EntityImages currentImage=(EntityImages) images.next();
124 float img_width=(new Float(currentImage.getValue("img_width"))).floatValue();
125 float img_height=(new Float(currentImage.getValue("img_height"))).floatValue();
127 //oversize images must be shrunk
129 img_height=(new Float((new Float(img_height*(400.0F/img_width))).intValue())).floatValue();
134 //calculate how much text goes in the column
135 float text_widthCM = contentAreaWidthCM-(img_width*pixelWidthCM);
136 float number_of_lines = img_height*pixelWidthCM/lineHeightCM; //don't worry we will make it an int
137 int text_amount= (new Float((text_widthCM/characterWidthCM)*number_of_lines)).intValue();
139 row1.put("text_widthCM",Float.toString(text_widthCM));
143 row1.put("img_width",Float.toString(img_width));
144 row1.put("img_height",Float.toString(img_height));
146 aLogger.println("img_width " +Float.toString(img_width));
147 aLogger.println("img_height "+Float.toString(img_height));
149 row1.put("img_src",currentImage.getValue("source"));
150 row1.put("hasImage","1");
153 row1.put("text",((EntityContent) entity).getValue("content_data").substring(currentPosition,currentPosition+text_amount));
155 catch (IndexOutOfBoundsException e){
156 row1.put("text",((EntityContent) entity).getValue("content_data").substring(currentPosition));
160 currentPosition=currentPosition+text_amount;
161 aLogger.println("CP2 is "+ currentPosition);
162 brokenUpContent.add(row1);
166 row2.put("text",((EntityContent) entity).getValue("content_data").substring(currentPosition,currentPosition+numCharsInAnImagelessRow));
168 catch (IndexOutOfBoundsException e){
169 row2.put("text",((EntityContent) entity).getValue("content_data").substring(currentPosition));
173 row2.put("hasImage","0");
174 brokenUpContent.add(row2);
175 currentPosition=currentPosition+numCharsInAnImagelessRow;
176 aLogger.println("CP3 is "+ currentPosition);
178 HashMap row3 = new HashMap();
180 row3.put("text",((EntityContent) entity).getValue("content_data").substring(currentPosition));
181 row3.put("hasImage","0");
182 brokenUpContent.add(row3);
191 ParameterExpander.setValueForKey(
193 "data.formatted_content",
194 new CachingRewindableIterator(brokenUpContent.iterator())
199 catch (Throwable t) {
200 aLogger.println("Error while formatting content for PDF: " + t.getMessage());
201 t.printStackTrace(aLogger);
203 throw new ProducerFailure(t.getMessage(), t);
207 public Set buildVerbSet() {
208 return new HashSet();